US2474787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc welding composition and method of making same
Assignee: Lincoln Electric Co
•
Filing: 1948-09-24
•
Granted: 1949-06-28
•
Expires: 1968-09-24
Abstract
No abstract record available.
Inventors
- 👤 George G Landis
- 👤 Peters Vladimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:45
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/362
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-27 | 1952-12-27 | 1953-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-27 | 1956-12-27 | 1957-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-27 | 1960-12-27 | 1961-06-28 | $7700.00 | Window Closed / Lapsed |